This calculator will compute the sample size required for a study that uses a structural equation model (SEM), given the number of observed and latent variables in the model, the anticipated effect size, and the desired probability and statistical power levels. The calculator will return both the...
Below you will find descriptions and links to 16 different statistics calculators that are related to the free a-priori sample size calculator for student t-tests. The related calculators have been organized into categories in order to make your life a bit easier. ...
Below you will find a complete set of details for 4 different references / citations that are related to the computation of a-priori sample size values for multiple regression models. Reference for Citing the Online Calculator Soper, D.S. (2025). A-priori Sample Size Calculator for Multiple ...
Below you will find descriptions and details for the 9 formulas that are used to compute a-priori sample size values for multiple regression models. Beta function: Cohen's f2effect size for an F-test: whereR2is the squared multiple correlation. ...
This calculator will tell you the minimum sample size required for a hierarchical multiple regression analysis; i.e., the minimum sample size required for a significance test of the addition of a set of independent variables B to the model, over and above another set of independent variables A...
Calculator References Related Calculators Formulas: A-priori Sample Size for Student t-Tests Free Statistics Calculators: Home > Formulas: A-priori Sample Size for Student t-TestsA-priori Sample Size for Student t-Tests Formulas Below you will find descriptions and details for the 7 formulas th...
A-priori Sample Size for Hierarchical Multiple Regression Formulas Below you will find descriptions and details for the 9 formulas that are used to compute a-priori sample size values for hierarchical multiple regression. Related Resources CalculatorReferencesRelated CalculatorsSearch...
Below you will find a complete set of details for 3 different references / citations that are related to the computation of a-priori sample sizes for structural equation models.Reference for Citing the Online Calculator Soper, D.S. (2025). A-priori Sample Size Calculator for Structural Equati...